企业微信分配客服会话一直提示系统繁忙

文档：https://work.weixin.qq.com/api/doc/90000/90135/94669

接口：请求地址: https://qyapi.weixin.qq.com/cgi-bin/kf/service_state/trans?access_token=ACCESS_TOKEN

【请求地址】: https://qyapi.weixin.qq.com/cgi-bin/kf/service_state/trans?access_token=ycYjSqmoOBHqv3P4kaIiFjmIEYMgmyW3a*************************FgD6arT-V9zFki8M_6LJY8th5hoBLYhENA

【请求参数】：{"open_kfid":"wk3clSBgAAa***********b1Av0IVNg","external_userid":"wm3clSBgAA***************DuhyNMQ","service_state":3,"servicer_userid":"XingRen@QiaoLangZhong1"}

corpId：wwc6c514eadbd756d3

是不是跟servicer_userid中有@符号有关